279479985

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{3469}}^1$

素因数の和:3649

約数の個数: 32

約数和(自身を含む): 461704320

約数和(自身を除く): 182224335

約数列:

[1, 3, 5, 15, 41, 123, 131, 205, 393, 615, 655, 1965, 3469, 5371, 10407, 16113, 17345, 26855, 52035, 80565, 142229, 426687, 454439, 711145, 1363317, 2133435, 2272195, 6816585, 18631999, 55895997, 93159995, 279479985]

約数ペア:

[(1, 279479985), (3, 93159995), (5, 55895997), (15, 18631999), (41, 6816585), (123, 2272195), (131, 2133435), (205, 1363317), (393, 711145), (615, 454439), (655, 426687), (1965, 142229), (3469, 80565), (5371, 52035), (10407, 26855), (16113, 17345)]